ProShares Ultra Oil & Gas (the fund) seeks daily investment results that correspond to twice (200%) the daily performance of the Dow Jones U.S. Oil & Gas Index (the Index). The Fund intends to invest at least 80% of its net assets, including any borrowings for investment purposes, under normal circumstances, to equity securities contained in the Index and/or financial instruments that, in combination, have similar economic characteristics. The Fund also intends to invest assets not invested in financial instruments, in debt instruments and/or money market instruments. The Fund intends to concentrate its investments in a particular industry or group of industries to approximately the same extent as the Index is so concentrated. ProShare Advisors LLC serves as the investment advisor to the Fund.